“…Second, studies show unions reduce income inequality by compressing pay within and between organizations (Card et al, 2020; Huang et al, 2017; Metcalf et al, 2001) and by successfully lobbying governments for social programmes primarily benefiting the poor (Ahlquist, 2017; VanHeuvelen and Brady, 2022). Third, research confirms unions play an effective role in monitoring and enforcing employer compliance with laws governing, for example, health and safety, minimum wages, holidays and discrimination (Morantz, 2017). Fourth, recent international evidence from large samples also suggests unions improve the well-being of workers through, for example, their efforts to regulate workloads, working hours, overtime and job security (Blanchflower and Bryson, 2020).…”